SOLUTION: Solve this system using the substitution method. -2x - y = -7 x + 7y = 10 Solve using the substitution method and be sure to show all of your work.
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Question 1203927: Solve this system using the substitution method. -2x - y = -7 x + 7y = 10 Solve using the substitution method and be sure to show all of your work.
Answer by MathLover1(20849) (Show Source): You can put this solution on YOUR website!
......eq.1
....eq.2
____________________________
start with
......eq.1, solve for
substitute in eq.2
....eq.2, solve for
go to
, substitute
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